EUVD-2026-31488

Devise is an authentication solution for Rails based on Warden. In versions 5.0.3 and below, when the Timeoutable module is enabled in Devise, the FailureAppredirecturl method returns request.referrer — the HTTP Referer header, which is attacker-controllable — without validation for any non-GET...

CVE-2026-40295: URL Redirection to Untrusted Site

Devise is an authentication solution for Rails based on Warden. In versions 5.0.3 and below, when the Timeoutable module is enabled in Devise, the FailureAppredirecturl method returns request.referrer — the HTTP Referer header, which is attacker-controllable — without validation for any non-GET...

Open Redirect

Overview devise is a flexible authentication solution for Rails with Warden. Affected versions of this package are vulnerable to Open Redirect in the FailureAppredirecturl method when handling non-GET requests after a session timeout. An attacker can cause users to be redirected to arbitrary...